Device suitable for complex electrode slurry environment

Abstract

The utility model discloses a device suitable for a complex electrode slurry environment. The device comprises a stirring barrel and a support fixedly installed at the bottom of the surface of the stirring barrel. The mixing mechanism is arranged in the stirring barrel in a penetrating manner and comprises a fixed barrel fixedly mounted at the top of an inner cavity of the stirring barrel, and a motor is mounted at the top of the stirring barrel; after the electrode slurry is mixed, an external water source is pumped by a water pump, water is injected into a fixed cylinder through communication of a connecting pipe and the fixed cylinder, and the water enters a vertical pipe through a water inlet hole along with continuous input of the water and is injected into an inner cavity of a scraping plate; and water is sprayed to the inner wall of the stirring barrel through the second impact type spray head and the first impact type spray head, so that the interior of the stirring barrel is cleaned, and the situation that the final quality and performance of the electrode slurry are affected due to the fact that the electrode slurry is attached to the inner wall of the stirring barrel is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electrode slurry processing, and in particular to a device suitable for a complex electrode slurry environment. BACKGROUND

[0002] Electrode slurry preparation is an important link in the preparation process of battery electrodes, which involves mixing various substances to form a sol with high electrochemical performance. The electrode slurry is a key component of the electrode active layer, and its preparation methods include spin coating, blade coating and dip coating;

[0003] However, due to the viscosity of the electrode slurry, part of the electrode slurry will adhere to the inner wall of the stirring cylinder during mixing and stirring, forming residues that are difficult to remove, thereby causing the stirring device to leave residues of each batch of slurry inside, resulting in a complex internal environment. When the stirring cylinder is used again, the residues will mix with the new batch of electrode slurry, affecting the final quality and performance of the electrode slurry.

[0004] Therefore, the skilled person in the art provides a device suitable for a complex electrode slurry environment to solve the problems raised in the background art. CONTENT OF THE INVENTION

[0005] In order to solve the problems raised in the background art, the application provides a device suitable for a complex electrode slurry environment.

[0006] The device suitable for a complex electrode slurry environment provided by the application adopts the following technical scheme:

[0007] A device suitable for a complex electrode slurry environment comprises:

[0008] A stirring cylinder and a support fixedly installed on the surface and bottom of the stirring cylinder;

[0009] A mixing mechanism is arranged inside the stirring cylinder and comprises a fixed cylinder fixedly installed on the top of the inner cavity of the stirring cylinder. A motor is installed on the top of the stirring cylinder. The output end of the motor extends to the inside of the fixed cylinder through the fixed cylinder. A vertical pipe is fixedly installed on the output end of the motor. The bottom end of the vertical pipe extends to the inside of the stirring cylinder through the fixed cylinder. A scraper is communicatively installed on the bottom end of the vertical pipe.

[0010] A cleaning assembly is arranged on one side of the stirring cylinder for cleaning after use.

[0011] Preferably, the cleaning assembly comprises a water inlet hole opened at the top of the vertical pipe surface, the water inlet hole is located in the interior of the fixed cylinder, a water pump is mounted at the top of one side of the stirring cylinder, the water outlet end of the water pump is communicated with a connecting pipe, the end of the connecting pipe away from the water pump penetrates the stirring cylinder and is communicated with one side of the fixed cylinder, the water inlet end of the water pump is communicated with an external water supply pipeline, the inner side wall of the scraper is communicated with a first impact type spray head, and the top of the scraper is communicated with a second impact type spray head.

[0012] Preferably, a plurality of stirring rods are rotatably mounted on the surface of the vertical pipe, a plurality of blades are fixed on the surface of the stirring rods, a plurality of through holes are formed in the surface of the blades, and helical stirring blades are fixedly mounted at the bottom of the surface of the vertical pipe.

[0013] Preferably, a discharge pipe is communicated and mounted at the bottom of the stirring cylinder, and a valve is flange-connected to the discharge pipe.

[0014] Preferably, a rotary seal is mounted at the penetrating position of the vertical pipe, and the rotary seal is made of a rubber member.

[0015] Preferably, a control panel is mounted on the front surface of the stirring cylinder, and the output ends of the control panel are connected with the input ends of the motor and the water pump respectively.

[0016] To sum up, the present application has the following beneficial technical effects:

[0017] 1. The device suitable for complex electrode slurry environment can extract an external water source by using a water pump after the electrode slurry is mixed, water is injected into the interior of the fixed cylinder through the communication between the connecting pipe and the fixed cylinder, and with the continuous input of water, the water enters the interior of the vertical pipe through the water inlet hole and is injected into the inner cavity of the scraper, so that the second impact type spray head and the first impact type spray head are used to spray water to the inner wall of the stirring cylinder, thereby cleaning the inner wall of the stirring cylinder, avoiding the electrode slurry adhering to the inner wall of the stirring cylinder, and avoiding the occurrence of the situation that the final quality and performance of the electrode slurry are affected.

[0018] 2. The device suitable for complex electrode slurry environment can rotate the vertical pipe through the work of the motor when the electrode slurry is mixed, and the vertical pipe rotates while synchronously driving the scraper and the helical stirring blades to rotate, so that the electrode slurry adhered to the inner wall of the stirring cylinder is scraped off while the electrode slurry is mixed, and the stirring rods on the surface of the vertical pipe are driven to rotate while the vertical pipe rotates, so that the electrode slurry lifted up by the helical stirring blades is further broken and mixed, thereby realizing the stirring of the electrode slurry, and the cooperation between the stirring rods and the helical stirring blades is used to further improve the mixing uniformity of the electrode slurry. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1is a structural schematic view of a device suitable for a complex electrode slurry environment in embodiments of the present application;

[0020] Figure 2 is a sectional structural schematic view of a stirring cylinder in a device suitable for a complex electrode slurry environment in embodiments of the present application;

[0021] Figure 3 is a partial structural schematic view of a mixing mechanism in a device suitable for a complex electrode slurry environment in embodiments of the present application;

[0022] Figure 4 is a partial structural schematic view of a cleaning assembly in a device suitable for a complex electrode slurry environment in embodiments of the present application.

[0023] BRIEF DESCRIPTION OF THE DRAWINGS: 1, stirring cylinder; 2, mixing mechanism; 21, fixed cylinder; 22, motor; 23, vertical pipe; 24, scraper; 25, cleaning assembly; 251, water inlet hole; 252, water pump; 253, connecting pipe; 254, first impact type spray head; 255, second impact type spray head; 26, stirring rod; 27, helical stirring blade; 28, valve; 29, rotary seal; 3, control panel. DETAILED DESCRIPTION

[0024] The following will be described in detail below with reference to the accompanying Figures 1-4 The present application will be described in further detail.

[0025] Embodiments of the present application disclose a device suitable for a complex electrode slurry environment. Referring to Figures 1-4 , a device suitable for a complex electrode slurry environment comprises:

[0026] a stirring cylinder 1, and a support fixedly installed on the surface bottom of the stirring cylinder 1; a discharge pipe is communicatively installed at the bottom of the stirring cylinder 1, and a valve 28 is flange-connected to the discharge pipe; a feeding pipe is communicatively installed at one side of the top of the stirring cylinder 1;

[0027] Referring to Figure 2 , Figure 3 and Figure 4 , a mixing mechanism 2 is disposed through the inside of the stirring cylinder 1, and comprises a fixed cylinder 21 fixedly installed at the top of the inner cavity of the stirring cylinder 1; a motor 22 is installed at the top of the stirring cylinder 1; the output end of the motor 22 penetrates through the fixed cylinder 21 and extends into the inside of the fixed cylinder 21; a vertical pipe 23 is fixedly installed at the output end of the motor 22; the bottom end of the vertical pipe 23 penetrates through the fixed cylinder 21 and extends into the inside of the stirring cylinder 1; and a scraper 24 is communicatively installed at the bottom end of the vertical pipe 23;

[0028] a cleaning assembly 25 is disposed at one side of the stirring cylinder 1, for cleaning after use of the stirring cylinder 1;

[0029] The cleaning assembly 25 comprises a water inlet hole 251 formed on the top surface of the vertical pipe 23, the water inlet hole 251 is located in the interior of the fixed cylinder 21, a water pump 252 is installed on the top of one side of the stirring cylinder 1, the water outlet end of the water pump 252 is communicated with a connecting pipe 253, one end of the connecting pipe 253 away from the water pump 252 penetrates the stirring cylinder 1 and is communicated with one side of the fixed cylinder 21, the water inlet end of the water pump 252 is communicated with an external water supply pipeline, the inner side wall of the scraper 24 is communicated with a first impact type spray head 254, the top of the scraper 24 is communicated with a second impact type spray head 255;

[0030] In the embodiment, the water pump 252 extracts an external water source, and water is injected into the interior of the fixed cylinder 21 by the communication of the connecting pipe 253 and the fixed cylinder 21, and with the continuous input of water, the water enters the interior of the vertical pipe 23 through the water inlet hole 251, and the water is injected into the inner cavity of the scraper 24, so that the water is sprayed to the inner wall of the stirring cylinder 1 by the second impact type spray head 255 and the first impact type spray head 254 for cleaning;

[0031] The front surface of the stirring cylinder 1 is provided with a control panel 3, and the output end of the control panel 3 is connected with the input end of the motor 22 and the water pump 252 respectively.

[0032] Referring to Figure 2 and Figure 3 , a plurality of stirring rods 26 are rotatably installed on the surface of the vertical pipe 23, a plurality of blades are fixed on the surface of the stirring rod 26, a plurality of through holes are formed on the surface of the blade, and a spiral stirring blade 27 is fixedly installed on the bottom surface of the vertical pipe 23;

[0033] In the embodiment, the spiral stirring blade 27 can be lifted when the electrode paste is mixed, and the breaking area can be increased by the blades and the through holes on the surface of the stirring rod 26, so as to improve the mixing uniformity of the electrode paste.

[0034] Referring to Figure 4 , a rotary seal 29 is installed at the penetration of the vertical pipe 23, and the rotary seal 29 is made of rubber components;

[0035] In the embodiment, the rotary seal 29 belongs to one kind of dynamic seal, the rotary seal 29 is composed of a sliding ring filled with polytetrafluoroethylene and a rubber O-ring for providing elastic force, so as to seal the rods, shafts, pins, rotary joints and the like with rotating or swinging motion.

[0036] The implementation principle of the device suitable for the complex electrode paste environment is that when the electrode paste is mixed, the motor 22 drives the vertical pipe 23 to rotate, and the vertical pipe 23 synchronously drives the scraper 24 and the spiral stirring blade 27 to rotate while rotating, so as to scrape off the electrode paste adhered to the inner wall of the stirring cylinder 1 while mixing the electrode paste, and the stirring rod 26 on the surface of the vertical pipe 23 is driven to rotate while the vertical pipe 23 rotates, so as to further crush and mix the electrode paste lifted up by the spiral stirring blade 27;

[0037] After the electrode paste is mixed, the water pump 252 extracts the external water source, and injects water into the inside of the fixed cylinder 21 by using the communication of the connecting pipe 253 and the fixed cylinder 21, and as the water continues to be input, the water enters the inside of the vertical pipe 23 by using the water inlet hole 251, and injects water into the inner cavity of the scraper 24, so as to spray water to the inner wall of the stirring cylinder 1 by using the second impact type spray head 255 and the first impact type spray head 254, and as the motor 22 rotates, the first impact type spray head 254 and the second impact type spray head 255 are driven to rotate, so as to uniformly spray and clean the stirring cylinder 1.

[0038] The above are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. An apparatus for adapting to complex electrode slurry environments, comprising: Include: The stirring drum (1), and its surface bottom fixed mounting bracket; Mixing mechanism (2), set through the inside of the stirring drum (1), and including fixedly installed in the fixed cylinder (21) of the stirring drum (1) inner cavity top, the top of the stirring drum (1) is installed with motor (22), the output end of the motor (22) penetrates the fixed cylinder (21) and extends to the inside of the fixed cylinder (21), the output end of the motor (22) is fixedly installed with vertical pipe (23), the bottom end of the vertical pipe (23) penetrates the fixed cylinder (21) and extends to the inside of the stirring drum (1), the bottom end of the vertical pipe (23) is communicatedly installed with scraper (24); The cleaning assembly (25) is arranged on one side of the stirring drum (1) for cleaning after use.

2. The device of claim 1, wherein: The cleaning assembly (25) includes a water inlet hole (251) opened on the top surface of the vertical pipe (23), the water inlet hole (251) is located in the inside of the fixed cylinder (21), the top of one side of the stirring drum (1) is installed with a water pump (252), the water outlet end of the water pump (252) is communicated with a connecting pipe (253), one end of the connecting pipe (253) away from the water pump (252) penetrates the stirring drum (1) and is communicated with one side of the fixed cylinder (21), the water inlet end of the water pump (252) is communicated with the external water supply pipeline, the inner side wall of the scraper (24) is communicated with a first impact type spray head (254), the top of the scraper (24) is communicated with a second impact type spray head (255).

3. The device of claim 1, wherein: The surface of the vertical pipe (23) is rotatably installed with a plurality of stirring rods (26), the surface of the stirring rod (26) is fixedly provided with a plurality of blades, and a plurality of through holes are formed in the surface of the blade, the bottom of the surface of the vertical pipe (23) is fixedly installed with a spiral stirring blade (27).

4. The device of claim 1, wherein: The bottom of the stirring drum (1) is communicatedly installed with a discharge pipe, and the discharge pipe flange is connected with a valve (28), one side of the top of the stirring drum (1) is communicatedly installed with a feeding pipe.

5. The device of claim 1, wherein: The vertical pipe (23) is installed with a rotary seal (29) at the penetrating position, and the rotary seal (29) is made of rubber member.

6. The device of claim 2, wherein: The front surface of the stirring drum (1) is installed with a control panel (3), and the output end of the control panel (3) is connected with the input end of the motor (22) and the water pump (252) respectively.

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